P2ABC

Wastegate Position Sensor B Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Reduced engine power
Switching to emergency mode
Unstable turbine operation
Check Engine Light Illuminates
Floating idle speed

Causes

Short circuit in the sensor circuit to “+”
Damper position sensor B fault
Broken or damaged wiring
Connector problems or contact corrosion
Engine control unit malfunction

How to Fix

Check the integrity of the sensor wiring and connectors
Test throttle position sensor B
Check the resistance and voltage in the sensor circuit
Scan the control unit for errors
If necessary, replace the sensor or repair the wiring

Related codes

P2ABB P2ABD P2ABE